Patents by Inventor Young Jin Won
Young Jin Won has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10788578Abstract: Provided is an antenna pattern synthesizing apparatus that synthesizes an antenna pattern by applying quantum-behaved particle swarm optimization (QPSO) algorithm of a satellite synthetic aperture radar (SAR), the antenna pattern synthesizing apparatus including a designer configured to design a mask template based on a performance of an SAR system including an antenna array in which a plurality of antennas are arranged in a multidimensional structure, and a generator configured to calculate a signal amplitude and a signal phase for the antenna array to generate a first antenna pattern using QPSO, and generate the first antenna pattern in the designed mask template based on the calculated signal amplitude and the calculated signal phase.Type: GrantFiled: November 20, 2017Date of Patent: September 29, 2020Assignee: Korea Aerospace Research InstituteInventor: Young Jin Won
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Patent number: 10274584Abstract: The present invention relates to an apparatus and method for generating a bidirectional chirp signal by using a phase accumulation polynomial, and the apparatus for generating a bidirectional chirp signal according to an embodiment may include an extraction unit extracting time interval information from the output of a frequency accumulator, a polynomial handling unit applying the phase accumulation polynomial to the extracted time interval information to generate a polynomial output value, and a bidirectional chirp signal output unit outputting a bidirectional chirp signal on the basis of the generated polynomial output value.Type: GrantFiled: November 20, 2014Date of Patent: April 30, 2019Assignee: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Sang Burm Ryu, Jeong Hwan Yang, Jong Pyo Kim, Young Jin Won, Young Jun Cho, Chul Kang, Sang Kon Lee
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Publication number: 20180164428Abstract: Provided is an antenna pattern synthesizing apparatus that synthesizes an antenna pattern by applying quantum-behaved particle swarm optimization (QPSO) algorithm of a satellite synthetic aperture radar (SAR), the antenna pattern synthesizing apparatus including a designer configured to design a mask template based on a performance of an SAR system including an antenna array in which a plurality of antennas are arranged in a multidimensional structure, and a generator configured to calculate a signal amplitude and a signal phase for the antenna array to generate a first antenna pattern using QPSO, and generate the first antenna pattern in the designed mask template based on the calculated signal amplitude and the calculatedType: ApplicationFiled: November 20, 2017Publication date: June 14, 2018Applicant: Korea Aerospace Research InstituteInventor: Young Jin WON
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Patent number: 9640309Abstract: A DC reactor consisting of a coil formed of a superconducting material is provided. It is possible to reduce leakage reactance and to increase critical current by using a coil formed of a high temperature superconducting material and forming a first bobbin of the DC reactor as a toroid shape.Type: GrantFiled: October 25, 2012Date of Patent: May 2, 2017Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION CHANGWON NATIONAL UNIVERSITYInventors: Minwon Park, In-Keun Yu, Jin Geun Kim, Sang Jin Lee, Seock-Ho Kim, Sung-Kyu Kim, Young-Jin Won, Hak-Man Kim, Kyu-Won Jeong
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Publication number: 20160370457Abstract: The present invention relates to an apparatus and method for generating a bidirectional chirp signal by using a phase accumulation polynomial, and the apparatus for generating a bidirectional chirp signal according to an embodiment may include an extraction unit extracting time interval information from the output of a frequency accumulator, a polynomial handling unit applying the phase accumulation polynomial to the extracted time interval information to generate a polynomial output value, and a bidirectional chirp signal output unit outputting a bidirectional chirp signal on the basis of the generated polynomial output value.Type: ApplicationFiled: November 20, 2014Publication date: December 22, 2016Applicant: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Sang Burm Ryu, Jeong Hwan Yang, Jong Pyo Kim, Young Jin Won, Young Jun Cho, Chul Kang, Sang Kon Lee
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Patent number: 8616166Abstract: An electric continuously variable valve timing apparatus may include a cam sprocket, a camshaft rotatably connected with the cam sprocket, a motor portion, a lead screw portion which may be disposed within the motor portion, may be screwed-engaged with the motor portion, and moves along length direction of the camshaft according to operations of the motor portion, and a camshaft holder rotatably connecting the lead screw portion and the cam sprocket, wherein the camshaft holder moves along length direction of the camshaft according to the movement of the lead screw portion and varies relative phase angle between the cam sprocket and the camshaft for controlling valve timing.Type: GrantFiled: November 22, 2011Date of Patent: December 31, 2013Assignee: Hyundai Motor CompanyInventors: Jei Choon Yang, Byong Young Choi, Jin Kook Kong, Soo Hyung Woo, Young Jin Won, Jin Soon Kim
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Patent number: 8336310Abstract: A variable turbocharger including a turbine housing, a first scroll fluidly communicating with a turbine, a second scroll formed along an outside of the first scroll, wherein the first scroll and the second scroll are disposed within the turbine housing for exhaust gas to exhaust through the turbine, a partitioning unit for selectively separating the first scroll and the second scroll, and a a flux control valve disposed at the exhaust gas inflow portion and selectively coupled to the partitioning unit for blocking the exhaust gas from flowing into the second scroll. The variable turbocharger may prevent turbo lag at a low speed and be highly efficient at a high speed.Type: GrantFiled: October 5, 2011Date of Patent: December 25, 2012Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jin Kook Kong, Soo Hyung Woo, Young Nam Kim, Young Jin Won, Young-Ju Kim, Jin Wook Son, Jeong-Hwa Cha
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Publication number: 20120298059Abstract: An electric continuously variable valve timing apparatus may include a cam sprocket, a camshaft rotatably connected with the cam sprocket, a motor portion, a lead screw portion which may be disposed within the motor portion, may be screwed-engaged with the motor portion, and moves along length direction of the camshaft according to operations of the motor portion, and a camshaft holder rotatably connecting the lead screw portion and the cam sprocket, wherein the camshaft holder moves along length direction of the camshaft according to the movement of the lead screw portion and varies relative phase angle between the cam sprocket and the camshaft for controlling valve timing.Type: ApplicationFiled: November 22, 2011Publication date: November 29, 2012Applicant: HYUNDAI MOTOR COMPANYInventors: Jei Choon YANG, Byong Young CHOI, Jin Kook KONG, Soo Hyung WOO, Young Jin WON, Jin Soon KIM
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Patent number: 8312719Abstract: A variable turbocharger including a turbine housing, a first scroll fluidly communicating with a turbine, a second scroll formed along an outside of the first scroll, wherein the first scroll and the second scroll are disposed within the turbine housing for exhaust gas to exhaust through the turbine, a partitioning unit for selectively separating the first scroll and the second scroll, and a flux control valve disposed at the exhaust gas inflow portion and selectively coupled to the partitioning unit for blocking the exhaust gas from flowing into the second scroll. The variable turbocharger may prevent turbo lag at a low speed and be highly efficient at a high speed.Type: GrantFiled: November 20, 2008Date of Patent: November 20, 2012Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jin Kook Kong, Soo Hyung Woo, Young Nam Kim, Young Jin Won, Young-Ju Kim, Jin Wook Son, Jeong-Hwa Cha
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Publication number: 20120073528Abstract: A cylinder head having a water jacket may include a cylinder head in which a combustion chamber may be formed, and a protruding portion that may be integrally formed with the cylinder head and an exhaust outlet portion may be formed in an outer surface thereof to communicate with the combustion chamber, wherein the water jacket may be formed inside the protruding portion at an upper side and a lower side of an exhaust passage that may be aligned through the exhaust outlet portion, the water jacket having an upper water jacket formed between the upper side of the exhaust passage and an upper surface of the protruding portion, a lower water jacket formed between the lower side of the exhaust passage and a lower surface of the protruding portion, and a connection water jacket connecting the upper water jacket and the lower water jacket in the protruding portion.Type: ApplicationFiled: December 1, 2010Publication date: March 29, 2012Applicant: HYUNDAI MOTOR COMPANYInventors: Jong Bae KIM, Jin Wook Son, Boyng Seuk Lee, Jay Kee Lee, Jin Kook Kong, Young Nam Kim, Young Jin Won
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Publication number: 20120017586Abstract: A variable turbocharger including a turbine housing, a first scroll fluidly communicating with a turbine, a second scroll formed along an outside of the first scroll, wherein the first scroll and the second scroll are disposed within the turbine housing for exhaust gas to exhaust through the turbine, a partitioning unit for selectively separating the first scroll and the second scroll, and a a flux control valve disposed at the exhaust gas inflow portion and selectively coupled to the partitioning unit for blocking the exhaust gas from flowing into the second scroll. The variable turbocharger may prevent turbo lag at a low speed and be highly efficient at a high speed.Type: ApplicationFiled: October 5, 2011Publication date: January 26, 2012Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Jin Kook Kong, Soo Hyung Woo, Young Nam Kim, Young Jin Won, Young-Ju Kim, Jin Wook Son, Jeong-Hwa Cha
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Patent number: 8079214Abstract: An engine in which an exhaust manifold is integrally formed with a cylinder head may include the exhaust manifold in which at least one passage, which is connected to at least one exhaust port disposed in a first cylinder, and at least one passage, which is connected to at least one exhaust port disposed in a second cylinder, are formed, wherein the passage at the first cylinder and the passage at the second cylinder join together to communicate with a first single exhaust outlet.Type: GrantFiled: November 25, 2008Date of Patent: December 20, 2011Assignee: Hyundai Motor CompanyInventors: Jin Wook Son, Jin Kook Kong, Young Jin Won, Jei Choon Yang, Jin Soon Kim
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Patent number: 8051648Abstract: An engine includes exhaust manifold integrally formed with a cylinder head. The engine may include an exhaust manifold having at least one single exhaust outlet for exhausting exhaust gas that is exhausted from at least two cylinders that are not adjacent with each other, wherein periods during which exhaust valves are open are not overlapped with each other between the at least two cylinders. The exhaust manifold is integrally formed with the cylinder head such that costs can be reduced. Also, the water jacket is formed between the exhaust passages of the exhaust manifold such that the durability of the turbocharger that is affected by a heat load can be improved. Also, the twin scroll turbocharger is directly connected to the exhaust outlet of the manifold such that the compression ratio of the intake air can be effectively improved.Type: GrantFiled: November 19, 2008Date of Patent: November 8, 2011Assignee: Hyundai Motor CompanyInventors: Jin Wook Son, Jin Kook Kong, Soung Jin Lee, Young Jin Won
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Patent number: 7966980Abstract: A variable compression ratio apparatus that changes the compression ratio of an air-fuel mixture in a combustion chamber according to a driving state of an engine, enablements may include a connecting rod receiving the combustion force from the piston; a pin link receiving a part of the combustion force from the connecting rod and rotating the crankshaft; a support link disposed substantially in parallel with the connecting rod; a division link receiving a part of the combustion force from the connecting rod and transmitting the part of the combustion force to the support link; a control link provided with one end coupled to the division link in order to change position of one end of the division link; and an eccentric camshaft coupled to other end of the control link in order to change position of a rotational axis of the control link.Type: GrantFiled: June 5, 2008Date of Patent: June 28, 2011Assignee: Hyundai Motor CompanyInventors: Eun Ho Lee, Jei Choon Yang, Young Hong Kwak, Kiyoung Kwon, Jin Kook Kong, Soo Hyung Woo, Young Jin Won
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Publication number: 20090241526Abstract: An engine includes exhaust manifold integrally formed with a cylinder head. The engine may include an exhaust manifold having at least one single exhaust outlet for exhausting exhaust gas that is exhausted from at least two cylinders that are not adjacent with each other, wherein periods during which exhaust valves are open are not overlapped with each other between the at least two cylinders. The exhaust manifold is integrally formed with the cylinder head such that costs can be reduced. Also, the water jacket is formed between the exhaust passages of the exhaust manifold such that the durability of the turbocharger that is affected by a heat load can be improved. Also, the twin scroll turbocharger is directly connected to the exhaust outlet of the manifold such that the compression ratio of the intake air can be effectively improved.Type: ApplicationFiled: November 19, 2008Publication date: October 1, 2009Applicant: Hyundai Motor CompanyInventors: Jin Wook SON, Jin Kook Kong, Soung Jin Lee, Young Jin Won
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Publication number: 20090193806Abstract: A variable turbocharger including a turbine housing, a first scroll fluidly communicating with a turbine, a second scroll formed along an outside of the first scroll, wherein the first scroll and the second scroll are disposed within the turbine housing for exhaust gas to exhaust through the turbine, a partitioning unit for selectively separating the first scroll and the second scroll, and a a flux control valve disposed at the exhaust gas inflow portion and selectively coupled to the partitioning unit for blocking the exhaust gas from flowing into the second scroll. The variable turbocharger may prevent turbo lag at a low speed and be highly efficient at a high speed.Type: ApplicationFiled: November 20, 2008Publication date: August 6, 2009Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Jin Kook KONG, Soo Hyung Woo, Young Nam Kim, Young Jin Won, Young-Ju Kim, Jin Wook Son, Jeong-Hwa Cha
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Publication number: 20090151343Abstract: An engine in which an exhaust manifold is integrally formed with a cylinder head may include the exhaust manifold in which at least one passage, which is connected to at least one exhaust port disposed in a first cylinder, and at least one passage, which is connected to at least one exhaust port disposed in a second cylinder, are formed, wherein the passage at the first cylinder and the passage at the second cylinder join together to communicate with a first single exhaust outlet.Type: ApplicationFiled: November 25, 2008Publication date: June 18, 2009Applicant: Hyundai Motor CompanyInventors: Jin Wook SON, Jin Kook Kong, Young Jin Won, Jei Choon Yang, Jin Soon Kim
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Publication number: 20090139492Abstract: A variable compression ratio apparatus that changes the compression ratio of an air-fuel mixture in a combustion chamber according to a driving state of an engine, enablements may include a connecting rod receiving the combustion force from the piston; a pin link receiving a part of the combustion force from the connecting rod and rotating the crankshaft; a support link disposed substantially in parallel with the connecting rod; a division link receiving a part of the combustion force from the connecting rod and transmitting the part of the combustion force to the support link; a control link provided with one end coupled to the division link in order to change position of one end of the division link; and an eccentric camshaft coupled to other end of the control link in order to change position of a rotational axis of the control link.Type: ApplicationFiled: June 5, 2008Publication date: June 4, 2009Applicant: Hyundai Motor CompanyInventors: Eun Ho Lee, Jei Choon Yang, Young Hong Kwak, Kiyoung Kwon, Jin Kook Kong, Soo Hyung Woo, Young Jin Won